Re: How to Pickle your espresso machine



1 grain = 17 ppm (aka mg/l) so I suspect that's how the number 17 made it
into the article.



"Ken Fox" <morceaudemerdeThisMerdeGoes@xxxxxxxxxxx> wrote in message
news:3m59erF15fa5qU1@xxxxxxxxxxxxxxxxx
>I got bored and ended up on one of Schomer's pages:
>
> http://www2.lucidcafe.com/lucidcafe/cafeforum/factors.html
>
> Therein I found these paragraphs, that many here have skimmed but few
> (presumably) have actually read:
>
> *****
>
> 8. Water Purity/Mineral Content
> You need to filter your water source to make espresso coffee for two
> reasons, it makes the coffee taste better and will prevent excess scale
> build up in the boiler and water lines inside your espresso machine.
>
> Here in the Pacific Northwest region of the US we have excellent mountain
> run-off water with a very low mineral content. I use a carbon-type filter
> water filtration system made by Everpure with excellent results.
>
> According to David Beeman of the Water Systems Group anywhere else in the
> US you need a technology called reverse osmosis to control mineral
> content.
>
> Your goal is to feed your espresso machine with water that has about 17
> grains of hardness. Complete removal of minerals is not practical, and
> does not result in as sweet an espresso coffee as having a bit left in the
> water.
>
> This is an area for an expert analysis to recommend the best filtration
> for your water supply in your area.
>
> ******
>
> Ought to provide a lot of work for people who like to work on scaled up
> espresso machines. I'm assuming he meant 1.7 grains, but then I don't
> know.
>
>
>
> ken
>
>
>
>


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